34128354568 has 64 divisors (see below), whose sum is σ = 81408816000. Its totient is φ = 13296749760.

The previous prime is 34128354563. The next prime is 34128354571. The reversal of 34128354568 is 86545382143.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (34128354563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535155 + ... + 595522.

It is an arithmetic number, because the mean of its divisors is an integer number (1272012750).

Almost surely, 2^34128354568 is an apocalyptic number.

It is an amenable number.

34128354568 is an abundant number, since it is smaller than the sum of its proper divisors (47280461432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34128354568 is a wasteful number, since it uses less digits than its factorization.

34128354568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130715 (or 1130697 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 49.

The spelling of 34128354568 in words is "thirty-four billion, one hundred twenty-eight million, three hundred fifty-four thousand, five hundred sixty-eight".